Applies to PCs, iPads, iPhones, Android phones, and Wi-Fi wireless LANs, all electronic devices and home appliances. The strongest and latest electromagnetic shielding performance in its class. Effective for measures against tingling sensations, electromagnetic hypersensitivity, tinnitus, and headaches. Please be aware that individual experiences may vary. If the effect is too strong, please use fewer sheets. One sheet included. #ElectromagneticWaveProtection #AntiElectromagneticWave #ThoughtInterception #5G #WiFi #EvilEnergy #Wave #ElectromagneticShielding